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Effective uniaxial dielectric function tensor and optical phonons in (2 ¯ 01)-oriented β - Ga2 O3 films with equally distributed sixfold-rotation domains

Monoclinic β-Ga2O3 films grown on c-plane sapphire have been shown to exhibit six (2¯01)-oriented domains, which are equally spaced by rotation around the surface normal and equally sized by volume that render the film optical response effectively uniaxial. We derive and discuss an optical model suitable for ellipsometry data analysis of such films. We model mid- and far-infrared ellipsometry data

Continuous Microwave Photon Counting by Semiconductor-Superconductor Hybrids

We present a continuous microwave photon counter based on superconducting cavity-coupled semiconductor quantum dots. The device utilizes photon-assisted tunneling in a double quantum dot with tunneling events being probed by a third dot. Our device detects both single and multiple-photon absorption events independently, thanks to the energy tunability of a two-level double-dot absorber. We show th

Detection of Very Fast Interface Traps at 4H-SiC/AlN and 4H-SiC/Al2O3 Interfaces

Modest channel carrier mobility in SiC-MOSFETs with NO annealed gate oxides has been the main factor hampering development of low power devices (300 – 650 V). A very fast interface trap, noted as NI, has been suggested to be the main culprit for poor inversion channel carrier mobility. The origin of the NI trap is unknown, but it is likely a property of the SiO2 and it is enhanced during post nitr

Facile In Situ Formation of Potassium Sodium Niobate (KNN) Using The Hexaniobate Polyoxometalate

Lead-based piezoceramics are the dominant materials used in electronic devices, despite the known toxicity of lead. Developing safer piezoelectric materials has inspired the pursuit of lead-free piezoceramics, however some challenges remain in accessing these materials reproducibly. Here we demonstrate a simple and robust method for synthesis of the lead-free piezoceramic material, potassium sodiu

Ultrafast Two-Dimensional Spectroscopy of Photosynthetic Systems

This chapter starts with a review of the theoretical foundation for understanding two-dimensional electronic spectroscopy (2DES) signals in molecular systems. We derive and motivate key properties of 2DES, demonstrating its ability to yield complex information about energy transfer processes and couplings within molecular assemblies, such as photosynthetic antennae. We continue with a discussion e

Surgery Combined with Local Implantation of Doxorubicin-Functionalized Hydroxyapatite Halts Tumor Growth and Prevents Bone Destruction in an Aggressive Osteosarcoma

Osteosarcoma treatment comprises pre-surgical chemotherapy followed by radical surgery and further chemotherapy cycles, but the prognosis has been far from satisfactory. No new drugs or treatment modalities have been developed for clinical use in the last four decades. We describe a nano-hydroxyapatite (HA)-based local drug delivery platform for the delivery of doxorubicin (DOX), a cornerstone dru

(G)Patching up mis-splicing in cancer

Benbarche, Pineda, Galvis, et al. delineate an essential role for the G-patch motif-containing protein GPATCH8 in mis-splicing associated with cancer-driving mutations of the splicing factor SF3B1. GPATCH8 cooperates with SF3B1 mutants, affecting the splicing machinery. Targeting GPATCH8 reveals therapeutic opportunities for SF3B1 mutant cancers and other splicing-related diseases.

Arthroscopic partial meniscectomy versus exercise therapy for degenerative meniscal tears : 10-year follow-up of the OMEX randomised controlled trial

Objective: To evaluate radiographic knee osteoarthritis (OA) progression, development of knee OA, patient-reported outcomes and knee muscle strength at 10-year follow-up after arthroscopic partial meniscectomy (APM) or exercise therapy for degenerative meniscal tears. Methods: Randomised controlled trial including 140 participants, with a degenerative meniscal tear and no or minimal radiographic O

Defective ribosome assembly impairs leukemia progression in a murine model of acute myeloid leukemia

Despite an advanced understanding of disease mechanisms, the current therapeutic regimen fails to cure most patients with acute myeloid leukemia (AML). In the present study, we address the role of ribosome assembly in leukemia cell function. We apply patient datasets and murine models to demonstrate that immature leukemia cells in mixed-lineage leukemia-rearranged AML are characterized by relative

Effect of arthroscopic partial meniscectomy on structural degeneration of the knee – A 5-year MRI-based follow-up of the placebo-surgery controlled FIDELITY (Finnish Degenerative Meniscus Lesion Study) trial

Objective: To assess the 5-year effects of arthroscopic partial meniscectomy (APM) vs. placebo surgery on the development of the structural changes of the knee by magnetic resonance imaging (MRI). Design: This multicentre, randomized, participant- and outcome-assessor-blinded, placebo-surgery-controlled trial was carried out in Finland. We randomized 146 adults, mean age 52 years (range 35 to 65)

Machine Perfusion and Bioengineering Strategies in Transplantation—Beyond the Emerging Concepts

Solid organ transplantation has progressed rapidly over the decades from the first experimental procedures to its role in the modern era as an established treatment for end-stage organ disease. Solid organ transplantation including liver, kidney, pancreas, heart, and lung transplantation, is the definitive option for many patients, but despite the advances that have been made, there are still sign

Balancing the Charge Separation and Surface Reaction Dynamics in Twin‐Interface Photocatalysts for Solar‐to‐Hydrogen Production

Solar-driven photocatalytic green hydrogen (H2) evolution reaction presents a promising route toward solar-to-chemical fuel conversion. However, its efficiency has been hindered by the desynchronization of fast photogenerated charge carriers and slow surface reaction kinetics. This work introduces a paradigm shift in photocatalyst design by focusing on the synchronization of charge transport and s

Fe─S Bond-Mediated Efficient Electron Transfer in Quantum Dots/Metal-Organic Frameworks for Boosting Photoelectrocatalytic Nitrogen Fixation

Effective electron supply to produce ammonia in photoelectrochemical nitrogen reduction reaction (PEC NRR) remains challenging due to the sluggish multiple proton-coupled electron transfer and unfavorable carrier recombination. Herein, InP quantum dots decorated with sulfur ligands (InP QDs-S2−) bound to MIL-100(Fe) as a benchmark catalyst for PEC NRR is reported. It is found that MIL-100(Fe) can

Residential exposure to transportation noise and risk of incident atrial fibrillation : a pooled study of 11 prospective Nordic cohorts

BACKGROUND: Transportation noise has been linked with cardiometabolic outcomes, yet whether it is a risk factor for atrial fibrillation (AF) remains inconclusive. We aimed to assess whether transportation noise was associated with AF in a large, pooled Nordic cohort.METHODS: We pooled data from 11 Nordic cohorts, totaling 161,115 participants. Based on address history from five years before baseli

Preparation and Utilization of a Highly Discriminative Absorbent Imprinted with Fetal Hemoglobin

Development in hemoglobin-based oxygen carriers (HBOCs) that may be used as alternatives to donated blood requires an extensive supply of highly pure hemoglobin (Hb) preparations. Therefore, it is essential to fabricate inexpensive, stable and highly selective absorbents for Hb purification. Molecular imprinting is an attractive technology for preparing such materials for targeted molecular recogn

Regression to the mean for physical function and quality of life in clinical trials for symptomatic knee osteoarthritis

Objective: To estimate the size of regression to the mean (RTM) for common patient-reported outcomes in trials for knee osteoarthritis (OA). Design: Longitudinal cohort study; we included participants of the Osteoarthritis Initiative who fulfilled typical inclusion criteria for enrolment in a trial. These included: age 40–79 years, symptomatic knee OA, Kellgren-Lawrence grade 2–3, use of pain medi

Advancing Palladium-Based Nanostructures for Catalysis : From Nanoparticles to Multifunctional Nanoarchitectures

The development of nanoscale materials is essential across various fields, including catalysis. The intrinsic properties of well-defined nanometre-sized catalysts directly influence their catalytic performance. This thesis investigates the design, fabrication and optimisation of palladium (Pd)-based nanostructures as potential nanocatalysts through a multidisciplinary approach combining state-of-t